Condensed Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Preferred stock, par value (in Dollars per share)	$ 0.10	$ 0.10
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	1,221,064
Preferred stock, shares outstanding	0	1,221,064
Liquidation Preference (in Dollars)	$ 39,956	$ 39,956
Common stock, par value (in Dollars per share)	$ 0.10	$ 0.10
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	7,141,189	138,492
Common stock, shares outstanding	7,141,189	138,492